CN106986285B - Tipping mechanism for telescopic arm off-road vehicle - Google Patents
Tipping mechanism for telescopic arm off-road vehicle Download PDFInfo
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- CN106986285B CN106986285B CN201710298784.4A CN201710298784A CN106986285B CN 106986285 B CN106986285 B CN 106986285B CN 201710298784 A CN201710298784 A CN 201710298784A CN 106986285 B CN106986285 B CN 106986285B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/07559—Stabilizing means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
- B66F17/003—Safety devices, e.g. for limiting or indicating lifting force for fork-lift trucks
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- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Civil Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention belongs to the field of telescopic boom cross-country, and particularly discloses a tilting mechanism for a telescopic boom cross-country vehicle, which comprises three parallel supporting plates with intervals, wherein the middles of the three supporting plates are connected with a middle pipe, the upper end of the three supporting plates is fixedly provided with an upper pipe, and the lower end of the three supporting plates is fixedly provided with an assembly for mounting a tilting oil cylinder; the bottom of the middle of the supporting plate positioned at the two sides is welded with a supporting base; connecting pieces with size-adjustable arc-shaped notches at the tops are symmetrically fixed at the two ends of the upper pipe; the baffle plate assembly capable of sliding on the supporting base to realize position adjustment is hung at two ends of the supporting base, the bearing assembled in the middle pipe is used for realizing connection with the inner arm of the telescopic arm of the cross-country vehicle, the upper pipe and the end part of the supporting base are used for realizing hanging of different hanging accessories, and the tipping operation is realized by the tipping oil cylinder. The invention has the advantages of ingenious overall design, flexible tipping operation, capability of ensuring the tipping force, large-angle downward tipping, and capability of ensuring that materials fall off completely.
Description
Technical Field
The invention belongs to the technical field of telescopic boom off-road, and particularly discloses a tipping mechanism for a telescopic boom off-road vehicle.
Background art:
the cross country vehicle with telescopic arm is one kind of engineering machine with high technical content, and is one cross country type multipurpose forklift with telescopic arm for use in mine, machinery and transportation industry. The tilting mechanism with ingenious structure can realize the hanging of various accessories and has great help to improve the working efficiency of the telescopic arm off-road vehicle.
Disclosure of Invention
The invention provides a tipping mechanism for a telescopic arm off-road vehicle, aiming at the working requirements of the telescopic arm off-road vehicle, which is suitable for a hanging accessory with two oppositely arranged upright plates at the back part, a round pipe for hanging and mounting connected with the tops of the two oppositely arranged upright plates and a round hole for the upright plate arranged at the bottom part, and can improve the working efficiency of the telescopic arm off-road vehicle.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a tipping mechanism for telescopic boom off-road vehicle, its characterized in that: the tilting mechanism comprises three parallel supporting plates which are spaced from each other, wherein the middle of each supporting plate is fixedly connected with a middle pipe, the upper end of each supporting plate is fixedly connected with an upper pipe, and the lower end of each supporting plate is fixedly connected with an assembly for mounting a tilting oil cylinder; the bottom of the middle of the supporting plate positioned at the two sides is fixedly welded with a supporting base; connecting pieces with arc-shaped notches with adjustable sizes are symmetrically welded at the two ends of the upper pipe; and baffle plate components which can slide on the supporting base to realize position adjustment are hung at the two ends of the supporting base.
Furthermore, the bottom in the middle of the backup pad that lies in both sides among three backup pads has the right angle bayonet socket, the vertical limit length of right angle bayonet socket is greater than horizontal limit length, the bottom in the middle of the backup pad on both sides is welded through the right angle bayonet socket to the support base.
Furthermore, the assembly for installing the tilting oil cylinder is a tilting oil cylinder connecting pin shaft tube, the number of the tilting oil cylinder connecting pin shaft tubes is two, and one tilting oil cylinder connecting pin shaft tube is fixedly connected to the lower ends of any two adjacent parallel supporting plates; and the other tilting oil cylinder is fixedly connected with the lower end of the rest supporting plate through a connecting pin shaft tube.
Furthermore, the three parallel supporting plates which are spaced from each other are a left side plate, a middle plate and a right side plate, the tilting cylinder connecting pin shaft tube comprises a left connecting pin shaft tube and a right connecting pin shaft tube, and the left connecting pin shaft tube is fixedly connected with the lower ends of the left side plate and the middle plate; and the right connecting pin shaft tube of the tilting oil cylinder is fixedly connected with the lower end of the right side plate.
Preferably, the distance between the middle plate and the right side plate is larger than the distance between the left side plate and the middle plate, the bottom of the tilting oil cylinder is installed between the middle plate and the right side plate and is fixed through a connecting shaft extending into the left connecting pin shaft tube and the right connecting pin shaft tube, and the outer end of the connecting shaft is fixed through a shaft pin.
Preferably, the thickness of the right side plate is larger than that of the left side plate and the middle plate, so that the stress strength of the tilting structure is ensured.
Furthermore, a positioning buckle is arranged on the baffle plate assembly.
Further, the baffle plate assembly comprises an inner baffle plate and an outer baffle plate which are oppositely arranged.
Furthermore, through holes corresponding in position are formed in the inner baffle and the outer baffle which are arranged oppositely.
When the cross-country vehicle tilting mechanism is assembled, the inner arm of the telescopic arm of the cross-country vehicle is connected with the tilting mechanism through the bearing extending into the middle pipe, and the two ends of the bearing are fixed through the clamping pins after being assembled with the inner arm of the telescopic arm; when the hanging accessory is installed, the size of an arc-shaped notch at the top of a connecting piece at two ends of an upper pipe of the tipping mechanism is adjusted according to the size of a circular pipe at the top of the hanging accessory, so that the hanging at the upper end of the hanging accessory is realized; meanwhile, the positions of the baffle plate assemblies at the two ends of the supporting base are adjusted according to the distance between the two upright post plates at the back of the hanging accessory, so that the baffle plate assemblies are matched with the distance between the two upright post plates at the back of the hanging accessory, then the baffle plate assemblies are positioned through the positioning buckles, the upright post plates are placed between the inner baffle plate and the outer baffle plate and are abutted against the side surfaces of the supporting base, then the shaft of the long shaft clamping pin penetrates from the hole in the baffle plate assembly at one end of the supporting base and the hole in the upright post plate to the holes in the baffle plate assembly at the other end and the upright post plate, and then the butterfly clamping pin is adopted for fixing, so that the hanging accessory is firmly hung on the tipping mechanism; or the baffle plate assembly and the upright post plate which correspond to each end of the support base in position relation are directly fixed through a screw with a nut; no matter long-shaft clamping pins or screws are used for direct fixation, the size of holes in the baffle is slightly larger than that of holes in the column plate in order to conveniently hang different accessories, the adopted long-shaft clamping pins or screws are proper in thickness and too thick to use, and the assembling effect is unstable due to too thin structure. When the hanging accessory is replaced, the movable screw of the clamping pin on the baffle plate is disassembled to realize the unfixed lower end of the upright post plate, and moreover, the size of the arc-shaped notch on the connecting piece at the upper end of the tipping mechanism is adjusted to realize the disassembly of the upper end of the hanging accessory, and the hanging accessory is easy to replace.
When the invention is used, the middle pipe is kept still in the working process, and the three support plates are driven by the change of the stroke of the tipping oil cylinder so as to realize the tipping of the hanging accessory.
The invention has the following beneficial effects:
1. the invention has ingenious integral design, the mutual matching of three support plates, intermediate pipes and support bases which are arranged in parallel and have unique structures ensures that the tilting operation driven by the tilting oil cylinder is flexible, and the tilting force can be ensured;
2. the hanging accessory can be easily and quickly installed and replaced by the connecting piece and the baffle plate assembly, so that the hanging accessory with different functions and sizes can be easily and quickly installed and replaced, and the high-efficiency use requirement can be met;
3. the invention determines the tipping angle of the tipping mechanism and the hanging accessory through the stroke of the tipping oil cylinder, can realize large-angle downward tipping, and ensures that materials fall off completely;
4. the invention has beautiful integral appearance, and the arrangement of the left side plate, the middle plate and the right side plate and the arrangement of the middle pipe in the middle of the left side plate, the middle plate and the right side plate ensure that the integral structure is stressed uniformly and has better strength.
Description of the drawings:
the accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
FIG. 1 is a schematic view of the tilt mechanism of the present invention;
FIG. 2(a) is a schematic view of the structure of the supporting plate of the present invention located at two sides;
FIG. 2(b) is a schematic view of the structure of the support plate located in the middle of the present invention;
FIG. 3 is a schematic diagram of a connecting plate structure according to the present invention;
FIG. 4 is a schematic view of a welding structure of the support base according to the present invention;
FIG. 5 is a schematic view of the connection of the tilting mechanism and the telescoping arm and fork carriage of the present invention;
FIG. 6 is a schematic view of the tip-over mechanism of the present invention assembled with the telescoping arm and fork carriage turned down at 110 and up at 15;
fig. 7 is a schematic view of the structure of a rack attachment fork carriage employed in an embodiment of the present invention.
Wherein: 1. an intermediate pipe; 2. a right side plate; 3. a left side plate; 4. a support base; 5. an arc-shaped notch; 6. a middle plate; 7. an outer baffle; 8. the device comprises a clamping pin, 9, an inner baffle, 10 and an upper pipe; 11. A right connecting pin shaft tube; 12. a left connecting pin shaft tube; 20. a tipping mechanism; 30. a fork carriage; 31. a circular tube; 32. a column plate; 40. A pallet fork; 50. tipping the oil cylinder; 60. An oil cylinder pin shaft; 70. Fixing a pin shaft; 80. A bayonet lock; 90. An inner arm.
The specific implementation mode is as follows:
embodiments of the invention will be described in detail below with reference to the accompanying drawings, but the invention can be practiced in many different ways, as defined and covered by the claims.
As shown in figure 1, the tipping mechanism for the telescopic boom off-road vehicle is suitable for hanging accessories, the back of which is provided with two oppositely arranged upright plates, the tops of the two oppositely arranged upright plates are connected with a round pipe for hanging, and the bottom of the two oppositely arranged upright plates is provided with a round hole for the upright plate, and comprises three parallel supporting plates which are spaced from each other, the middle of the three supporting plates is fixedly connected with a middle pipe, the upper end of the three supporting plates is fixedly connected with an upper pipe, and the lower end of the three supporting plates is fixedly connected with an assembly for installing a tipping oil cylinder; the bottom of the middle of the supporting plate positioned at the two sides is fixedly welded with a supporting base; connecting pieces with arc-shaped notches with adjustable sizes are symmetrically welded at the two ends of the upper pipe; baffle plate components capable of sliding on the supporting base to realize position adjustment are hung at two ends of the supporting base; the bottoms of the middle parts of the supporting plates at the two sides are provided with right-angle bayonets;
the three parallel supporting plates which are spaced from each other are a left side plate 3, a middle plate 6 and a right side plate 2, circular notches are formed in the upper middle parts and two ends of the left side plate 3, the middle plate 6 and the right side plate 2, right-angle bayonets are formed in the bottoms of the middle parts of the left side plate 3 and the right side plate 2, the length of a vertical edge of each right-angle bayonet is larger than that of a horizontal edge, and as shown in fig. 2(a) and fig. 2(b), the three parallel supporting plates further comprise a supporting base 4, a middle pipe 1 and an upper pipe 10;
the middle pipe 1 is fixedly welded with the left side plate 3, the middle plate 6 and the right side plate 2 through a circular notch in the middle of the left side plate 3, the middle plate 6 and the right side plate 2, and is connected with an inner arm 90 of a telescopic arm of the off-road vehicle by utilizing a bearing arranged in the middle pipe;
the upper pipe 10 is fixedly welded and connected with the three supporting plates through circular notches at one ends of the left side plate 3, the middle plate 6 and the right side plate 2;
the supporting base 4 is fixedly welded with the left side plate 3 and the right side plate 2 through a right-angle bayonet at the middle bottom of the left side plate 3 and the right side plate 2, as shown in fig. 4;
the assembly for mounting the tilting oil cylinder is a tilting oil cylinder connecting pin shaft tube, the number of the tilting oil cylinder connecting pin shaft tubes is two, and one tilting oil cylinder connecting pin shaft tube is fixedly connected to the lower ends of any two adjacent parallel supporting plates; and the other tilting oil cylinder is fixedly connected with the lower end of the rest supporting plate through a connecting pin shaft tube.
In a specific implementation process, the connecting pin shaft tube of the tilting cylinder comprises a left connecting pin shaft tube 12 and a right connecting pin shaft tube 11, and the left connecting pin shaft tube 12 is welded on the left side plate 3 and the middle plate 6 through circular notches at the ends of the left side plate 3 and the middle plate 6; the right connecting pin shaft tube 11 is welded on the right side plate 2 through a circular notch at the end part of the right side plate 2.
In order to match the installation of the tilt cylinder 50, the distance between the middle plate 6 and the right side plate 2 is greater than the distance between the left side plate 3 and the middle plate 6, the bottom of the tilt cylinder 50 is installed between the middle plate 6 and the right side plate 2 and fixed by a connecting shaft extending into the left connecting pin shaft tube 12 and the right connecting pin shaft tube 11, and the outer end of the connecting shaft is fixed by a shaft pin 60.
In a specific implementation, the distance between the middle plate 6 and the right side plate 2 is greater than the distance between the left side plate 3 and the middle plate 6. The bottom of the tilting oil cylinder is arranged between the middle plate 6 and the right side plate 2, at this time, the thickness of the right side plate 2 is larger than that of the left side plate 3 and the middle plate 6 for matching the mounting weighing and the tilting thrust weighing of the tilting oil cylinder and the stress of the whole tilting mechanism are uniform.
The top of the two ends of the upper pipe 10 are symmetrically welded with connecting pieces 13 with arc-shaped notches 5 with adjustable sizes, and the connecting pieces and the arc-shaped notches 5 are structurally shown in figure 3.
Therefore, the baffle plate component which can slide on the supporting base is hung on the side surface of the two ends of the supporting base 4 which is not contacted with the supporting plate.
As the optimization scheme of this implementation, dispose the location buckle on the baffle subassembly, can carry out slide position with forms such as spout at the baffle subassembly of hanging the dress on supporting base 4 and adjust, fix a position fixedly through the location buckle after adjusting the position to satisfy the demand of different stand plate intervals on the different hangers accessory.
In order to achieve better positioning of the hanging accessory column plate, the baffle plate assembly comprises an inner baffle plate 9 and an outer baffle plate 7 which are oppositely arranged.
In order to realize better fixation of the hanging accessory column plate, through holes with corresponding positions are formed in the inner baffle and the outer baffle which are arranged oppositely, and the fixing of the column plate can be realized by matching with the holes in the column plate.
In the assembly process of the embodiment, the inner arm of the telescopic arm of the cross-country vehicle is connected with the tipping mechanism through a bearing extending into the middle pipe, and the two ends of the bearing are fixed through the fixed pin shafts after being assembled with the inner arm 90 of the telescopic arm; the bottom of the tilting oil cylinder 50 is arranged between the middle plate 6 and the right side plate 2 and is fixed by a connecting shaft extending into the left connecting pin shaft tube 12 and the right connecting pin shaft tube 11, and the outer end of the connecting shaft is fixed by a pin shaft 60, so that the tilting mechanism 20 is connected with a telescopic arm of the off-road vehicle; the hanging tool takes a fork frame for loading forks as an example, the fork frame for loading forks is shown in fig. 7, the front end of the fork frame 30 is loaded with the forks 40, the back part of the fork frame is provided with upright plates 32 which are oppositely arranged, the top ends of the upright plates 32 which are oppositely arranged are connected with round pipes 31 for hanging, and the bottom of the upright plates is provided with round holes. When the fork frame 30 is installed, the size of the arc-shaped notch 5 at the top of the connecting piece 13 at the two ends of the upper tube 10 of the tipping mechanism is adjusted according to the size of the round tube 31 at the top of the fork frame 30, so that the hanging installation of the upper end of the fork frame 30 is realized; meanwhile, according to the distance between two upright column plates 32 at the back of the fork hanging frame 30, the positions of baffle plate assemblies (an outer baffle plate 7 and an inner baffle plate 9) at two ends of the supporting base 4 are adjusted, the matching of the distance between the baffle plate assemblies and the inner baffle plate 32 at the back of the fork hanging frame 30 is realized, then the outer baffle plate 7 and the inner baffle plate 9 are positioned and fixed through positioning buckles, the upright column plates 32 are placed between the inner baffle plate 9 and the outer baffle plate 7 and are abutted against the side faces of the supporting base 4, then the shaft of a long shaft clamping pin is fixed from the hole on the baffle plate assembly at one end of the supporting base 4 and the hole on the upright column plate to the hole on the baffle plate assembly and the upright column plate at the other end, and then a butterfly clamping pin is adopted for fixing, so that the fork hanging frame 30 on the tipping mechanism is firmly; or, the baffle plate assembly and the upright post plate which correspond to each end of the support base 4 in position relation are directly fixed through a screw with a nut; in this embodiment, the position reduces accessories, adopts major axis bayonet lock 80, no matter use major axis bayonet lock or screw direct fixation, and in order to be convenient for hang dress different accessories, the hole size on the baffle is slightly more than the hole size on the stand board, and the thickness of the major axis bayonet lock or the screw of adoption needs to be suitable, and too thick can not use, and too thin can lead to the assembly effect unstable. When the hanging accessory is replaced, the bayonet lock or the screw on the baffle is disassembled to realize the unfixed lower end of the upright post plate, and moreover, the size of the arc-shaped notch 5 on the connecting piece at the upper end of the tipping mechanism is adjusted to realize the disassembly of the upper end of the hanging accessory. The overall assembly effect is shown in fig. 5.
When the invention is used, the middle pipe 1 is kept still in the working process, and the three support plates are driven to tip through the change of the stroke of the tipping oil cylinder so as to tip the hanging accessory. Fig. 6 provides two positions of the carriage tipping 15 deg. upward and 110 deg. downward.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A tipping mechanism for a telescopic boom off-road vehicle, characterized in that: the tilting mechanism comprises three parallel supporting plates which are spaced from each other, wherein the middle of each supporting plate is fixedly connected with a middle pipe, the upper end of each supporting plate is fixedly connected with an upper pipe, and the lower end of each supporting plate is connected with an assembly for mounting a tilting oil cylinder; the bottom of the middle of the supporting plate positioned at the two sides is fixed with a supporting base; connecting pieces with arc-shaped notches with adjustable sizes are symmetrically fixed at the two ends of the upper pipe; and baffle plate components capable of sliding on the supporting base to realize position adjustment are hung at two ends of the supporting base.
2. A tipping mechanism for a telescopic arm off-road vehicle as claimed in claim 1, wherein: the middle bottom of the supporting plate located on two sides in the three supporting plates is provided with a right-angle bayonet, the length of a vertical edge of the right-angle bayonet is larger than that of a horizontal edge, and the supporting base is welded at the middle bottom of the supporting plates on two sides through the right-angle bayonet.
3. A tipping mechanism for a telescopic arm off-road vehicle as claimed in claim 1, wherein: the assembly for mounting the tilting oil cylinder is a tilting oil cylinder connecting pin shaft tube, the number of the tilting oil cylinder connecting pin shaft tubes is two, and one tilting oil cylinder connecting pin shaft tube is fixedly connected to the lower ends of any two adjacent parallel supporting plates; and the other tilting oil cylinder is fixedly connected with the lower end of the rest supporting plate through a connecting pin shaft tube.
4. A tipping mechanism for a telescopic arm off-road vehicle according to claim 3, characterized in that: the three parallel supporting plates with intervals are a left side plate, a middle plate and a right side plate, the tilting oil cylinder connecting pin shaft tube comprises a left connecting pin shaft tube and a right connecting pin shaft tube, and the left connecting pin shaft tube is fixedly connected with the lower ends of the left side plate and the middle plate; and the right connecting pin shaft tube of the tilting oil cylinder is fixedly connected with the lower end of the right side plate.
5. A tipping mechanism for a telescopic arm off-road vehicle according to claim 4, characterized in that: the distance between the middle plate and the right side plate is greater than the distance between the left side plate and the middle plate.
6. A tipping mechanism for a telescopic arm off-road vehicle according to claim 4, characterized in that: the thickness of the right side plate is larger than the thicknesses of the left side plate and the middle plate.
7. A tipping mechanism for a telescopic arm off-road vehicle according to any one of claims 1 to 6, characterized in that: the baffle plate assembly is provided with a positioning buckle.
8. A tipping mechanism for a telescopic arm off-road vehicle as claimed in any one of claims 1 to 6, wherein: the baffle plate assembly comprises an inner baffle plate and an outer baffle plate which are oppositely arranged.
9. A tipping mechanism for a telescopic arm off-road vehicle according to claim 8, characterized in that: the inner baffle and the outer baffle which are oppositely arranged are provided with through holes with corresponding positions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710298784.4A CN106986285B (en) | 2017-04-30 | 2017-04-30 | Tipping mechanism for telescopic arm off-road vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710298784.4A CN106986285B (en) | 2017-04-30 | 2017-04-30 | Tipping mechanism for telescopic arm off-road vehicle |
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| CN106986285A CN106986285A (en) | 2017-07-28 |
| CN106986285B true CN106986285B (en) | 2022-07-26 |
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| CN104909307A (en) * | 2015-06-19 | 2015-09-16 | 安徽兴华叉车有限公司 | Multi-functional attachment forklift |
| CN105110248A (en) * | 2015-09-18 | 2015-12-02 | 安徽合力股份有限公司 | Novel large-tonnage forklift environmental sanitation accessory |
| CN205204771U (en) * | 2015-12-11 | 2016-05-04 | 安徽好运机械有限公司 | Fork truck is with integral slope steel pipe assembly |
| CN206751306U (en) * | 2017-04-30 | 2017-12-15 | 安徽好运机械有限公司 | A kind of tilting mechanism for telescopic arm offroad vehicle |
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| CN106986285A (en) | 2017-07-28 |
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